The average dark current is often eliminated by means of a zeroing circuit.平均暗电流常利用调零电路消除.The system includes the modules of data acquiring, digital filtering, data conversion, digital zeroing and adjusting.该系统包括数据采集 、 数...
At last dancing had become more than an extra and entertaining frill.舞蹈也终于不再是供消遣娱乐的附加装饰.She sewed a frill on the bottom of her skirt.她在裙摆下缝了条褶边.He pulled out his frill as far as his navel.他把他的皱边一直拉到肚脐上....